Jornal Vascular Brasileiro
https://jvascbras.org/article/doi/10.1590/S1677-54492012000400003
Jornal Vascular Brasileiro
Original Article

Relação entre o desempenho nos testes de esforço em esteira e de seis minutos de caminhada em pacientes com claudicação intermitente dos membros inferiores

Relationship between the performance of 6 minutes walk test and treadmill test in patients with intermittent claudication of lower limbs

Mariana Abreu França; Tatiane Melo Lima; Fabio da Silva Santana; Ozéas Lima Lins-Filho; Gabriel Grizzo Cucato; Crivaldo Gomes Cardoso-Júnior; Raphael Mendes Ritti-Dias

http://dx.doi.org/10.1590/S1677-54492012000400003 J Vasc Bras, vol.11, n4, p.263-268, 2012
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Resumo

CONTEXTO: O teste de caminhada de seis minutos e o teste de esforço em esteira têm sido frequentemente utilizados para quantificação da limitação funcional dos pacientes com doença arterial periférica. Todavia, ainda não está bem estabelecido se os resultados desses testes são correlacionados. OBJETIVOS: Relacionar a distância total de caminhada (DTC) obtida nos testes de seis minutos e de esforço em esteira em pacientes com doença arterial periférica e sintomas de claudicação intermitente. MÉTODOS: A amostra foi composta por 34 pacientes (65,5 ± 8,9 anos) de ambos os gêneros (26 homens e 8 mulheres). Os indivíduos realizaram o teste de seis minutos em corredor de 30 metros e o teste de esforço em esteira ergométrica utilizando-se protocolo específico para essa população, com intervalo de pelo menos sete dias entre os testes. Para a análise dos dados, foi utilizada a análise de correlação de Pearson. RESULTADOS: Houve correlação significante na DTC obtida nos testes de seis minutos e de esforço em esteira (r=0,48, p<0,01). Foi observada correlação significante entre a DTC obtida nos testes nos pacientes com menor comprometimento hemodinâmico do membro (r=0,69; p=0,01), enquanto que, nos pacientes com maior comprometimento hemodinâmico do membro, a correlação não foi significante (r=0,03, p=0,91). Além disso, foi observada correlação significante entre os testes tanto nos pacientes com baixos níveis de adiposidade (r=0,57; p=0,02) como nos pacientes com altos níveis de adiposidade (r=0,48, p<0,05). CONCLUSÃO: Os resultados deste estudo mostram que os dados obtidos do teste de seis minutos e de esforço em esteira são correlacionados, exceto em pacientes com maior comprometimento hemodinâmico do membro.

Palavras-chave

doença arterial periférica, claudicação intermitente, exercício, caminhada

Abstract

BACKGROUND: Six minute walk test and treadmill test have been used to evaluate the functional limitations of peripheral artery disease patients. However, whether these tests are correlated remain poorly known. OBJECTIVE: To analyze the relationship between the total walk distance (TWD) assessed in the six minute walk test and in the treadmill test in patients with peripheral artery disease and symptoms of intermittent claudication. METHODS: Thirty-four patients (65.5 ± 8.9 yrs) of both genders (26 men 8 women) participated of the study. They performed the 6 minute walk test in a 30 meters hall and the treadmill test with a specific protocol, with an interval of at least 7 days between the tests. Pearson correlation coefficient was used for data analysis. RESULTS: Significant correlation was observed between TWD assessed in the six minute walk test and in the treadmill test. (r=0.48, p<0.01). Significant correlation between the TWD assessed in the tests were observed in the patients with lower hemodynamic limb commitment (r=0.69; p=0.01), while in the patients with higher hemodynamic limb commitment the correlation was not significant (r=0.03, p=0.91). Furthermore, a significant correlation between TWD obtained in the tests was observed in patients with low (r=0.57; p=0.02), and high levels of adiposity (r=0.48, p<0.05). CONCLUSION: The results of this study shown that walking capacity obtained with the six minute walk test and treadmill test are correlated, except in the patients with higher limb hemodynamic commitment.

Keywords

peripheral arterial disease, intermittent claudication, exercise, walking

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